Report (84) l.5.,,Ta0i 0003`v' i AS `--i"7 _ S g1 0-€ T4/1,4G-e- 13tv'to
"RIVER TERRACE EASTT"
LOT 175
HUB AND TACK CERTIFICATION
NE & SE 1/4 SEC. 6, T 2 S, R 1 W, W.M.
CITY OF TIGARD, WASHINGTON COUNTY, OREGON
SURVEYED February 20, 2018
PREPARED FOR;
POLYGON NORTHWEST COMPANY
703 BROADWAY ST., SUITE 510
VANCOUVER, WA. 98660
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TRAVIS C.JANSEN
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I, TRAVIS C. JANSEN, A REGISTERED PROFESSIONAL LAND SCALE
20 0 1 fl 20
g SURVEYOR IN THE STATE OF OREGON, HEREBY CERTIFY THAT
I HAVE ACCURATELY SURVEYED AND STAKED THE OFFSETS
TO THE FOUNDATION ENVELOPE FOR LOT 175 OF THE PLAT 1 INCH = 20 FEET
OF "RIVER TERRACE EAST".
DRAY N BY FAA DATE; /20/18
PACIFIC COMMUNITY DESIGN
TCJ DATE, 2/201
REVIEWED BY: PLANNING - ENGINEERING - SURVEYING
z 39 -041 (503) 941-948p4
PROJECT NO.:
r.A- .# /75-
G EOESIGNZ FIELD REPORT
Page 1 of
GDl Project Polygon-129-03 Prepared By: Kyle Hanson
Pro'ect Name: River Terrace East Date: 3/2/18
Location: SW Scholls Ferry&Roy Rogers,Bvrtn. Report#: 210
Arrival: 1015 Departure: 1045
Weather Sunny,40s Permit#: TBD
Site Visit Requested By „ Ken (Polygon) Met With (on site): Ken (Polygon)via phone call
Purpose: } Observe Lot 175 subgrade
Outstanding Issues Proof roll road and curb base rock and repair as needed before paving
FR-58 (12/06) Decommission temporary storm and sewer lines through Tract E
FR-177 soft fill from slope cut in lots 153, 154 and 155
FR-208(2/28) Lots 177-179 soft footing subgrade
Upon arrival, I observed subgrade for Lot 175 where indicated on the attached site plan. The subgrade appeared to
consist mainly of moist brown sandy silt based on the sidewalls of excavation cuts. The northern edge of the lot's
subgrade appeared to consist of crushed rock fill as observed in previous field reports (see site plan). A thin lift of
granular pad material approximately 2-3"thick was placed over the subgrade. Penetrations with a 12"diameter steel
foundation probe indicated generally stiff/dense subgrade conditions today(probing through granular pad).
Based on observations and probing, it is our opinion that the subgrade for Lot 175 observed today,where indicated
on the attached site plan, has been prepared in general accordance with our geotechnical recommendations.
Distribution:
Attachments: Site Plan (1)
Reviewed by: SMD
This report presents opinions formed as a result of our observation of activities relating to geotechnical engineering or environmental services.We rely on the contractor to comply with the plans and
specifications throughout the duration of the project irrespective of the presence of our representative..Our work does not include supervision or direction of the contractor,the contractor's employees
ot/
or agents.Our firm is not responsible for site safety,This field report is a DRAFT representation of our field observations,testing,trki., , inay recommendations.The report can only be
considered final upon review of the GeoDesign project manager,as indicated by initials in the"Reviewed By'section.
Signature: �,,,
9450 SW Commerce Circle,Suite 300 I Wilsonville,OR 97070 1503.958.8787 I www.geodesigninc.com